Chronicles II 15:10

10 And they assembled at Jerusalem in the third month, in the fifteenth year of the reign of Asa.

Chronicles II 15:10 Meaning and Commentary

2 Chronicles 15:10

So they gathered themselves together at Jerusalem
By the order of Asa, ( 2 Chronicles 15:9 ) ,

in the third month;
of the ecclesiastical year, the month Sivan, in which month was the day of Pentecost; and that very probably was the time of their gathering:

in the fifteenth year of the reign of Asa;
and which seems to be the year in which he fought the Ethiopians.

Chronicles II 15:10 In-Context

8 And when heard these words, and the prophesy of Adad the prophet, then he strengthened himself, and cast out the abominations from all the land of Juda and Benjamin, and from the cities which Jeroboam possessed, in mount Ephraim, and he renewed the altar of the Lord, which was before the temple of the Lord.

9 And he assembled Juda and Benjamin, and the strangers that dwelt with him, of Ephraim, and of Manasse, and of Symeon: for many of Israel were joined to him, when they saw that the Lord his God was with him.

10 And they assembled at Jerusalem in the third month, in the fifteenth year of the reign of Asa.

11 And he sacrificed to the Lord in that day of the spoils which they brought, seven hundred calves and seven thousand sheep.

12 And he entered into a covenant that they should seek the Lord God of their fathers with all their heart and with all their soul.